JPS5997204A - Inverted l-type antenna - Google Patents

Inverted l-type antenna

Info

Publication number
JPS5997204A
JPS5997204A JP20786682A JP20786682A JPS5997204A JP S5997204 A JPS5997204 A JP S5997204A JP 20786682 A JP20786682 A JP 20786682A JP 20786682 A JP20786682 A JP 20786682A JP S5997204 A JPS5997204 A JP S5997204A
Authority
JP
Japan
Prior art keywords
antenna element
antenna
inverted
coaxial
ground side
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP20786682A
Other languages
Japanese (ja)
Other versions
JPH0224401B2 (en
Inventor
Atsushi Kobayashi
敦 小林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP20786682A priority Critical patent/JPS5997204A/en
Publication of JPS5997204A publication Critical patent/JPS5997204A/en
Publication of JPH0224401B2 publication Critical patent/JPH0224401B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/42—Resonant antennas with feed to end of elongated active element, e.g. unipole with folded element, the folded parts being spaced apart a small fraction of the operating wavelength

Landscapes

  • Waveguide Aerials (AREA)

Abstract

PURPOSE:To facilitate the replacement of an antenna element and the adjustment before attachment by making the antenna element and a coaxial feeder into one body. CONSTITUTION:An antenna element 1 is L-shaped and has one end connected to the earth side. A feeding part is provided in a position separated from one end on the earth side of the element 1. A shield sheath 9 of a coaxial feeder 17 is connected directly to the element in one end of the earth side. The center conductor of the feeder 17 is connected to the feeding part. Thus, it is easy to produce the element 1 and a box body part separately from each other, and the feeder 17 and the element 1 are connected surely.

Description

【発明の詳細な説明】 Ｍ梁上のオリ用分野 本＠明は逆り形アンテナに関する。[Detailed description of the invention] Ori field on M beam The book @Akira is about inverted antennas.

従来例の構成とその問題点 従来、この棟のアンテナの中でも、特に小型のものは第
１図のよう＆Ｃ構成きれている。（１）はアンテナ素子
、（２）は地板、（３）は給電端子、（４）は同軸コネ
クタ、（５）は給１Ｎ１１の接続部、（６）はアンテナ
素子（１）の接地接続部である。このアンテナは高さを
低くして構成することが多く、接地端を給電点とすると
入力抵抗が極めて低くなるので、接地端から離れた点で
給電するように設計されている。このように構成したア
ンテナを広帯域で使用する場合には、個別調整が心安と
なるが、この際、以下に述べるような欠点があった。Conventional configurations and their problems Conventionally, among the antennas in this building, especially the small ones, have the &C configuration as shown in Figure 1. (1) is the antenna element, (2) is the ground plane, (3) is the feed terminal, (4) is the coaxial connector, (5) is the connection part of the feed 1N11, (6) is the ground connection part of the antenna element (1) It is. This antenna is often constructed with a low height, and since the input resistance becomes extremely low if the ground end is used as the feeding point, it is designed to feed power at a point far from the ground end. When using an antenna configured in this way over a wide band, individual adjustment is safe, but there are drawbacks as described below.

■　アンテナ素子（１）と地板（２）とは分離して作成
さ扛ることか多く、この場合には特に給電端子（３）と
同軸コネクタ（４）の位置合せ精度を上げなけれはなら
なくなる。また、アンテナ素子（１）単体での調整を行
なうことがむづかしい。■ The antenna element (1) and the ground plate (2) are often made separately, and in this case, it is necessary to particularly improve the alignment accuracy of the feed terminal (3) and coaxial connector (4). . Further, it is difficult to adjust the antenna element (1) alone.

＠　給電端子（３）の直列インダクタンス成分の影響を
打消すためｌｌ′ｃ＠列または並列に容量を付加しなけ
ればならない場合があり、この場合には部品点数が増す
。In order to cancel the influence of the series inductance component of the power supply terminal (3), it may be necessary to add a capacitor in the ll'c@ column or in parallel, and in this case, the number of parts increases.

θ　アンテナ素子（１）の接地接続部（６）と同軸コネ
フタ（４）の外部得体との間が離れているため、接続状
態によっては広帯域整合の妨げとなる寄生リアクタンス
分がアンテナ部出力インピーダンスに付加されることが
ある。θ Due to the distance between the ground connection part (6) of the antenna element (1) and the external body of the coaxial connector cover (4), depending on the connection state, the parasitic reactance that may impede broadband matching may change to the output impedance of the antenna part. May be added.

■　アンテナ素子（１）とアンテナを取付けた筐体部と
を分離することがむづかしいので、アンテナ部分の項番
およびそれに伴なう調整が面倒である。(2) Since it is difficult to separate the antenna element (1) and the housing portion to which the antenna is attached, it is troublesome to number the antenna portion and make adjustments accordingly.

発明の目的 本発明は、アンテナ素子の交換および筐体部への取付前
ＶＣ事前調整が容易にできる逆り形アンテナを提供する
ことを目的とする。OBJECTS OF THE INVENTION It is an object of the present invention to provide an inverted antenna that allows easy replacement of antenna elements and pre-adjustment of VC before attachment to a housing.

発明の構成 本発明の逆り形アンテナは、Ｌ字形で一端が接地側に接
続されるアンテナ素子と、このアンテナ素子の接地側一
端から離れた位置に設けた給電部と、シールド外被が前
記接地側一端でアンテナ素子に直接ＶＣ接続され中心導
体が前記給電部に接続ちれた同軸給１１Ｌ線とで構成し
て、アンテナ素子と給電部および同軸給電線を一体とし
たことを特徴とする。Structure of the Invention The inverted antenna of the present invention includes an L-shaped antenna element whose one end is connected to the ground side, a power feeding section provided at a position away from the ground side end of the antenna element, and a shield outer cover that is connected to the ground side of the antenna element. It is characterized by comprising a coaxial feed 11L line that is directly VC connected to the antenna element at one end on the ground side and whose center conductor is connected to the feed section, so that the antenna element, the feed section, and the coaxial feed line are integrated. .

実施例の説明 以下、本発明の実施例を第２図〜第５図に基づいて説明
する。なお、第２図ｒＣおいて第１図と同様の作用を成
すものには同一符号をつけてその説明を省く。DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of the present invention will be described based on FIGS. 2 to 5. In addition, in FIG. 2 rC, the same reference numerals are given to those having the same functions as in FIG. 1, and the explanation thereof will be omitted.

第２図は本発明による逆り形アンテナの原理構成図で、
給電部が第１図とは異なる。（７）は給電端子（３）と
同軸給電線の中心導体の接続点、（８）は同軸給電線（
１７１の中心導体とシールド外被（９）との間のＱＯは
シールド外被（９）アンテナ素子（１）の接地端との接
続点を示している。Figure 2 is a diagram showing the principle configuration of the inverted antenna according to the present invention.
The power supply section is different from that in FIG. (7) is the connection point between the feed terminal (3) and the center conductor of the coaxial feed line, and (8) is the connection point between the feed terminal (3) and the center conductor of the coaxial feed line (
The QO between the center conductor of 171 and the shield jacket (9) indicates the connection point of the shield jacket (9) with the ground end of the antenna element (1).

このように、同軸給電線ＣＩ？）のシールド外被（９）
が直接にアンテナ素子ｒｌ）の接地端（アンテナ電流が
最大となる点）に接続したため、アンテナ素子（１）と
筐体部とを分離して制作しヤすくなり、また同軸給１１
ηとアンテナ素子（１）の接続が確実となる。In this way, the coaxial feed line CI? ) shield jacket (9)
is directly connected to the grounding end (the point where the antenna current is maximum) of the antenna element (rl), which makes it easier to manufacture the antenna element (1) and the housing separately.
The connection between η and the antenna element (1) is ensured.

第２図のような構成にした場合、同軸給電線０のシール
ド外被（９）のアンテナ導体（１）への接続点（１０と
接続点（７）との間の長さＡ１ｖｃ対して接続点α０か
ら接続点（７）側に延びるシールド外被（９）の長さＡ
２を加減することにより、整合用の可変容重として利用
でさるという利点が生じる。ｖＪＳ図は第２図の等蜘回
路を示したもので、第３図において点線で囲１れた部分
がアンテナ素子（１）を表わしている。容量し、とイン
ダクタンスＬ、とて使用周波数に直列共振している。イ
ンダクタンスＬ１のタップ位置は、給電端子（３）が７
ンテナ素子（１）　Ｋ接続きれた位置０ηに対応してい
る。Ｒはアンテナ抵抗で、位置＜１１）がアンテナ素子
（１）の接地端に近付くとインダクタンスＬ、のタップ
位置も下り、アンテナの入力抵抗が低下し、遠ざかると
増加することを示している。In the case of the configuration shown in Fig. 2, the connection point between the shield jacket (9) of the coaxial feed line 0 and the antenna conductor (1) (length A1vc between the connection point (10) and the connection point (7) Length A of the shield jacket (9) extending from point α0 to the connection point (7) side
By adjusting 2, there is an advantage that it can be used as a variable volume weight for alignment. The vJS diagram shows the same spider circuit as shown in FIG. 2, and the part surrounded by the dotted line 1 in FIG. 3 represents the antenna element (1). The capacitance and inductance L resonate in series at the frequency used. The tap position of inductance L1 is 7.
Antenna element (1) Corresponds to position 0η where K connection is broken. R is the antenna resistance, and as the position <11) approaches the ground end of the antenna element (1), the tap position of the inductance L also decreases, indicating that the input resistance of the antenna decreases, and increases as it moves away.

インダクタンスＬ２ｉｌｌ：給亀端子（３）のインダク
タンス成分と同軸給電線９′θの中心得体のシールド外
被（９）からの露出ｓ＊甥（Ａ、−Ａ２）によるインダ
クタンス成分との相を示す。容重Ｃ２は同軸給電線ｑη
のシールド外被（９）がアンテナ接地端より更に接続点
（７珈電点〕側に延びた部分の長烙Ａ２により構成され
た容重分ケ示している。従って、第３図のＬ２．０２は
同軸給＊　＃　１４”ｉ）の配置構造により可変できる
ため、アンテナ素子（１）の寄生リアクタンス成分を打
消して同軸給電線数とのインピーダンス整合をとるため
の素子として利用できる。また、低域通過フィルタを構
成しているから高調波を減衰させる効果もある。Inductance L2ill: indicates the phase between the inductance component of the feed terminal (3) and the inductance component due to the exposure s*nephew (A, -A2) from the shield jacket (9) of the central body of the coaxial feed line 9'θ. The capacity weight C2 is the coaxial feeder line qη
The shield jacket (9) shown in FIG. can be varied depending on the arrangement structure of the coaxial feed*#14"i), so it can be used as an element for canceling the parasitic reactance component of the antenna element (1) and matching the impedance with the number of coaxial feed lines. Since it constitutes a pass-pass filter, it also has the effect of attenuating harmonics.

第４図は本発明の具体的な構成を示す。（１γは板を折
曲げてなるアンテナ素子で、給電端子（３）が設けられ
ている。０３はアンテナ素子（１）の接地端付近に設け
た切起し部、０弔はアンテナ素子（ＩＮの接地端部を地
板としての筐体０ｆ９ＶＣ固定するためのねじ部である
。この第４図において、同転給′１０ηのシー　’！７
ｔ、ド外被（９）は切り起し部α４とアンテナ素子（１
）との間で挾持されて接続固定されている。FIG. 4 shows a specific configuration of the present invention. (1γ is an antenna element made by bending a plate, and a feeding terminal (3) is provided. 03 is a cut-and-raised part provided near the ground end of the antenna element (1), and 0 is an antenna element (IN This is a threaded part for fixing the grounding end of the housing 0f9VC as the ground plate.In this Fig. 4, the sea '!
t, the outer cover (9) has a cut-out portion α4 and an antenna element (1).
) and the connection is fixed.

第５図は他の具体的な構成例を示している。第５図では
第４図と異なり、アンテナ素子（１５に耐電端子（３）
が設けられておらず、同軸給電線Ｕ″ｉ）の中心導体が
直接にアンテナ素子（ＩＪに穿けた小穴ＯＱに通され、
ここで固定接続されている。この場合、給電端子（３）
が省略されるので安価に構成できる。FIG. 5 shows another specific example of the configuration. In Fig. 5, unlike Fig. 4, the antenna element (15 has an electric terminal (3)
is not provided, and the center conductor of the coaxial feeder line U″i) is passed directly through the small hole OQ made in the antenna element (IJ).
Fixed connection here. In this case, the power supply terminal (3)
Since it is omitted, it can be constructed at low cost.

このように、アンテナ素子（１）に同軸給電線Ｑ◇を接
続した形で一体化できるため、ねじ部０４のビスを取は
ずすだけで簡単に交換できる。In this way, since the antenna element (1) can be integrated with the coaxial feed line Q◇ connected to it, it can be easily replaced by simply removing the screw of the threaded portion 04.

祐明の効果 以上説明のように本発明の逆り形アンテナによると次の
ような効果が得られる。Effects of Yumei As explained above, according to the inverted antenna of the present invention, the following effects can be obtained.

０　アンテナ素子と同軸給ｉｉＩ線とを一体化できるた
め、交換が容易である。0 Since the antenna element and coaxial feed line III can be integrated, replacement is easy.

０　従来では、アンテナ素子を実際に取付ける筐体部に
取付けて調整しなければならなかったが、本発明によれ
ば、アンテナ素子と同軸給゛醒様との間には寸法のばら
つく要素がないため、別に調整用の筐体を用意して取付
調整した後１、実際の筺体に取付けて使用することがで
き、調整が容易になる。0 Conventionally, it was necessary to attach and adjust the antenna element to the actual housing, but according to the present invention, there is no element that causes dimensional variation between the antenna element and the coaxial feeder. Therefore, after preparing a separate adjustment casing and performing installation and adjustment, it is possible to use it by attaching it to the actual casing, which facilitates the adjustment.

０　同軸給゛亀腺の一部をインピーダンス整合用素子と
してオリ用できるため安価に構成できる。0 Since a part of the coaxial feeder can be used as an impedance matching element, it can be constructed at low cost.

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来の逆り形アンテナの側面図、第２図は本発
明の原理説明図、第３図は第２図の等価回路図、第４図
は本発明の一実施例の斜視図、第５図は本発明の他の実
施例の斜視図である。 （１）（１）・・・アンテナ素子、（３）・・・給電端
子、（９）・・・シールド外被、ＱＱ・・・シールド外
被のアンテナ素子の接地端との接続点、（至）・・・切
り起し部、０勺・・・ねじ部、ＱＱ・・・筐体〔地板〕
、０ｆ１９・・・小穴、ｑη・・・同軸給電線代理人　
　　森　　本　　義　　弘 第１図 第２図 第４図 １′ 第５図Fig. 1 is a side view of a conventional inverted antenna, Fig. 2 is a diagram explaining the principle of the present invention, Fig. 3 is an equivalent circuit diagram of Fig. 2, and Fig. 4 is a perspective view of an embodiment of the present invention. , FIG. 5 is a perspective view of another embodiment of the invention. (1) (1)...Antenna element, (3)...Feeding terminal, (9)...Shield jacket, QQ...Connection point of the shield jacket with the grounding end of the antenna element, ( (To)...Cut-out part, 0...Threaded part, QQ...Casing [base plate]
, 0f19...small hole, qη...coaxial feed line agent
Yoshihiro MorimotoFigure 1Figure 2Figure 4Figure 1' Figure 5

Claims (1)

【特許請求の範囲】 １　Ｌ字形で一端が接地側に接続されるアンテナ素子と
、このアンテナ素子の接地側一端から離れた位置に設け
た給電部と、シールド外被が前記接地側°一端でアンテ
ナ素子に直接に接続され中心導体が前記給電部に接続さ
れた同軸給電線とで構成した逆り形アンテナ。 ２　アンテナ素子の接地側端部に切起し部を設け、この
切起し部によって同軸給電線のシールド外被をアンテナ
素子に接続固定したことを特徴とする特許請求の範囲第
１項記載の逆り形アンテナ。[Scope of Claims] 1. An L-shaped antenna element having one end connected to the ground side, a power feeding section provided at a position away from the ground side end of the antenna element, and a shield jacket connected to the ground side one end. An inverted antenna configured with a coaxial feed line that is directly connected to the antenna element and whose center conductor is connected to the feed section. 2. The antenna element according to claim 1, characterized in that a cut-and-raised portion is provided at the ground side end of the antenna element, and the shield jacket of the coaxial feed line is connected and fixed to the antenna element by the cut-and-raised portion. Inverted antenna.
JP20786682A 1982-11-26 1982-11-26 Inverted l-type antenna Granted JPS5997204A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20786682A JPS5997204A (en) 1982-11-26 1982-11-26 Inverted l-type antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20786682A JPS5997204A (en) 1982-11-26 1982-11-26 Inverted l-type antenna

Publications (2)

Publication Number Publication Date
JPS5997204A true JPS5997204A (en) 1984-06-05
JPH0224401B2 JPH0224401B2 (en) 1990-05-29

Family

ID=16546840

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20786682A Granted JPS5997204A (en) 1982-11-26 1982-11-26 Inverted l-type antenna

Country Status (1)

Country Link
JP (1) JPS5997204A (en)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6171701A (en) * 1984-09-17 1986-04-12 Matsushita Electric Ind Co Ltd Antenna
JPS61236203A (en) * 1985-04-11 1986-10-21 Nec Corp Antenna
JPH05226925A (en) * 1991-10-15 1993-09-03 Ball Corp Microstrip-antenna for mobile communication and manufacture thereof
EP0757405A1 (en) * 1995-08-03 1997-02-05 Nokia Mobile Phones Ltd. Antenna
JP2010226550A (en) * 2009-03-25 2010-10-07 Mitsumi Electric Co Ltd Antenna device
WO2013047033A1 (en) * 2011-09-26 2013-04-04 株式会社フジクラ Antenna device and antenna mounting method
CN104640042A (en) * 2013-11-11 2015-05-20 Gn瑞声达A/S Hearing aid provided with an antenna
US9293814B2 (en) 2010-10-12 2016-03-22 Gn Resound A/S Hearing aid with an antenna
US9369813B2 (en) 2012-07-06 2016-06-14 Gn Resound A/S BTE hearing aid having two driven antennas
US9402141B2 (en) 2012-07-06 2016-07-26 Gn Resound A/S BTE hearing aid with an antenna partition plane
US9446233B2 (en) 2007-05-31 2016-09-20 Gn Resound A/S Behind-the-ear (BTE) prosthetic device with antenna
US9554219B2 (en) 2012-07-06 2017-01-24 Gn Resound A/S BTE hearing aid having a balanced antenna
US9686621B2 (en) 2013-11-11 2017-06-20 Gn Hearing A/S Hearing aid with an antenna
US9729979B2 (en) 2010-10-12 2017-08-08 Gn Hearing A/S Antenna system for a hearing aid
US9883295B2 (en) 2013-11-11 2018-01-30 Gn Hearing A/S Hearing aid with an antenna
US10595138B2 (en) 2014-08-15 2020-03-17 Gn Hearing A/S Hearing aid with an antenna

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Publication number Priority date Publication date Assignee Title
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Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6171701A (en) * 1984-09-17 1986-04-12 Matsushita Electric Ind Co Ltd Antenna
JPS61236203A (en) * 1985-04-11 1986-10-21 Nec Corp Antenna
JPH05226925A (en) * 1991-10-15 1993-09-03 Ball Corp Microstrip-antenna for mobile communication and manufacture thereof
EP0757405A1 (en) * 1995-08-03 1997-02-05 Nokia Mobile Phones Ltd. Antenna
US6130650A (en) * 1995-08-03 2000-10-10 Nokia Mobile Phones Limited Curved inverted antenna
US10219084B2 (en) 2007-05-31 2019-02-26 Gn Hearing A/S Acoustic output device with antenna
US9936312B2 (en) 2007-05-31 2018-04-03 Gn Hearing A/S Acoustic output device with antenna
US11819690B2 (en) 2007-05-31 2023-11-21 Cochlear Limited Acoustic output device with antenna
US11491331B2 (en) 2007-05-31 2022-11-08 Cochlear Limited Acoustic output device with antenna
US11123559B2 (en) 2007-05-31 2021-09-21 Cochlear Limited Acoustic output device with antenna
US9446233B2 (en) 2007-05-31 2016-09-20 Gn Resound A/S Behind-the-ear (BTE) prosthetic device with antenna
JP2010226550A (en) * 2009-03-25 2010-10-07 Mitsumi Electric Co Ltd Antenna device
US9293814B2 (en) 2010-10-12 2016-03-22 Gn Resound A/S Hearing aid with an antenna
US10728679B2 (en) 2010-10-12 2020-07-28 Gn Hearing A/S Antenna system for a hearing aid
US10390150B2 (en) 2010-10-12 2019-08-20 Gn Hearing A/S Antenna system for a hearing aid
US9729979B2 (en) 2010-10-12 2017-08-08 Gn Hearing A/S Antenna system for a hearing aid
US9300037B2 (en) 2011-09-26 2016-03-29 Fujikura Ltd. Antenna device and antenna mounting method
WO2013047033A1 (en) * 2011-09-26 2013-04-04 株式会社フジクラ Antenna device and antenna mounting method
US9369813B2 (en) 2012-07-06 2016-06-14 Gn Resound A/S BTE hearing aid having two driven antennas
US9554219B2 (en) 2012-07-06 2017-01-24 Gn Resound A/S BTE hearing aid having a balanced antenna
US9402141B2 (en) 2012-07-06 2016-07-26 Gn Resound A/S BTE hearing aid with an antenna partition plane
US9883295B2 (en) 2013-11-11 2018-01-30 Gn Hearing A/S Hearing aid with an antenna
CN104640042B (en) * 2013-11-11 2017-10-24 Gn瑞声达A/S Audiphone with antenna
US9686621B2 (en) 2013-11-11 2017-06-20 Gn Hearing A/S Hearing aid with an antenna
US9408003B2 (en) 2013-11-11 2016-08-02 Gn Resound A/S Hearing aid with an antenna
JP2015111825A (en) * 2013-11-11 2015-06-18 ジーエヌ リザウンド エー／エスＧｎ Ｒｅｓｏｕｎｄ Ａ／Ｓ Hearing aid including antenna
CN104640042A (en) * 2013-11-11 2015-05-20 Gn瑞声达A/S Hearing aid provided with an antenna
US10595138B2 (en) 2014-08-15 2020-03-17 Gn Hearing A/S Hearing aid with an antenna

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